<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>02块级分区标签练习.html</title>
</head>
<body>

<div>div块级分区标签1</div>
<div>div块级分区标签2</div>
<div>div块级分区标签3</div>

<span>span标签1</span>

<hr>
<tfoot></tfoot>
</body>
</html>